Practicing Success

Target Exam

CUET

Subject

General Test

Chapter

Numerical Ability

Topic

HCF and LCM

Question:

The least common multiple of 48 and 64 is _____ times the highest common factor of 12 and 18.

Options:

28

32

24

16

Correct Answer:

32

Explanation:

48 = 2 x 2 x 2 x 2 x 3

64 = 26 

LCM(48,64) = 192

12 = 2 x 2 x 3

18 = 2 x 3 x 3

HCF(12,18) = 6

LCM(48,64) = 32 x HCM(12,18)

192 = 32 x 6

Ans. 32